Which of these BEST describes the political impact on migration during the Dust Bowl?

Responses
A The government caused too much migration too quickly.The government caused too much migration too quickly.
B The government intervened to prevent migration from the area.The government intervened to prevent migration from the area.
C The government encouraged people to migrate to find new homes.The government encouraged people to migrate to find new homes.
D The government failed to enact any migration policy during that time.

B The government intervened to prevent migration from the area.